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New command -extract_boot_images

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This commit is contained in:
Thomas Schmitt
2020-12-05 09:53:59 +01:00
parent e97cd48ee0
commit 47be075c45
16 changed files with 647 additions and 131 deletions
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28
xorriso/sfile.c
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@ -1,7 +1,7 @@
/* xorriso - creates, loads, manipulates and burns ISO 9660 filesystem images.
Copyright 2007-2014 Thomas Schmitt, <scdbackup@gmx.net>
Copyright 2007-2020 Thomas Schmitt, <scdbackup@gmx.net>
Provided under GPL version 2 or later.
@ -430,6 +430,32 @@ int Sfile_off_t_text(char text[80], off_t num, int flag)
}
/* @return index number of first not interpreted text byte
*/
int Sfile_text_to_off_t(char *text, off_t *num, int flag)
{
int sig= 1, ridx;
*num= 0;
ridx= 0;
if(text[ridx] == '-') {
sig= -1;
ridx++;
} else if(text[ridx] == '+') {
ridx++;
}
for(; text[ridx] != 0; ridx++) {
if(text[ridx] < '0' || text[ridx] > '9')
break;
if(*num > (((off_t) 1) << 59))
return(-1);
*num= *num * 10 + text[ridx] - '0';
}
*num= *num * sig;
return(ridx);
}
/* Converts backslash codes into single characters:
\a BEL 7 , \b BS 8 , \e ESC 27 , \f FF 12 , \n LF 10 , \r CR 13 ,
\t HT 9 , \v VT 11 , \\ \ 92